/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraScript.h
Builds the DDC string for the derived data cache using the supplied CompiledId and ScriptPath
static [FString](API\Runtime\Core\Containers\FString) BuildNiagaraDDCKeyString ( const [FNiagaraVMExecutableDataId](API\Plugins\Niagara\FNiagaraVMExecutableDataId) & CompileId, const [FString](API\Runtime\Core\Containers\FString) & ScriptPath )